aboutsummaryrefslogtreecommitdiff
path: root/net/compat.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-08 22:34:53 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-08 22:34:53 -0700
commit38a4671cad3f0d277cf48445b49e42a475ebfb6a (patch)
tree7348f3dd5f4e1bec39758dcff748a9dcbbf3430c /net/compat.c
parentd652f7022b359afd5d34fc9fffd71df118521ead (diff)
parent317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff)
Merge 3.10-rc5 into char-misc-next
Diffstat (limited to 'net/compat.c')
-rw-r--r--net/compat.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/net/compat.c b/net/compat.c
index 79ae88485001..f0a1ba6c8086 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -734,19 +734,25 @@ static unsigned char nas[21] = {
asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
{
- return sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
unsigned int vlen, unsigned int flags)
{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
return __sys_sendmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
{
- return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, unsigned int flags)
@@ -768,6 +774,9 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
int datagrams;
struct timespec ktspec;
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+
if (COMPAT_USE_64BIT_TIME)
return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
flags | MSG_CMSG_COMPAT,